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https://www.readbyqxmd.com/read/29031230/astatine-211-labeled-anti-her2-5f7-single-domain-antibody-fragment-conjugates-radiolabeling-and-preliminary-evaluation
#1
Jaeyeon Choi, Ganesan Vaidyanathan, Eftychia Koumarianou, Choong Mo Kang, Michael R Zalutsky
INTRODUCTION: Derived from heavy chain only camelid antibodies, ~15-kDa single-domain antibody fragments (sdAbs) are an attractive platform for developing molecularly specific imaging probes and targeted radiotherapeutics. The rapid tumor accumulation and normal tissue clearance of sdAbs might be ideal for use with (211)At, a 7.2-h half-life α-emitter, if appropriate labeling chemistry can be devised to trap (211)At in cancer cells after sdAb binding. This study evaluated two reagents, [(211)At]SAGMB and iso-[(211)At]SAGMB, for this purpose...
September 19, 2017: Nuclear Medicine and Biology
https://www.readbyqxmd.com/read/29031221/effects-of-particulate-matter-from-straw-burning-on-lung-fibrosis-in-mice
#2
Yang Hu, Liu-Sheng Wang, Yan Li, Qiu-Hong Li, Chun-Lin Li, Jian-Min Chen, Dong Weng, Hui-Ping Li
OBJECTIVE: To investigate the impacts of particulate matter 2.5 (PM2.5) from straw burning on the acute exacerbation of lung fibrosis in mice and the preventive effects of N-acetylcysteine (NAC). METHODS: The composition, particle size, and 30-min concentration change in an exposure system of the PM2.5 from straw-burning were determined. Forty C57BL male mice were equally randomized to two groups: bleomycin (BLM)-induced lung fibrosis with an exposure to air (BLM+air) and BLM+PM2...
October 7, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/29031195/ginsenoside-rg3-attenuates-cisplatin-resistance-in-lung-cancer-by-downregulating-pd-l1-and-resuming-immune
#3
Zhansheng Jiang, Yanfang Yang, Yinli Yang, Yu Zhang, Zhensong Yue, Zhanyu Pan, Xiubao Ren
Programmed death ligand 1 (PD-L1) as one the most important immune checkpoint was verified to involve in chemotherapy resistance in non-small cell lung cancer (NSCLC). Ginsenoside Rg3 is isolated from Chinese herb-Panax ginseng which is recognized to boost immune and has anti-cancer activity against a majority of carcinomas including NSCLC. In this study, we aim to identify whether Rg3 could attenuate the PD-L1 expression induced by resistance to cisplatin and draw out the underlying mechanisms of PD-L1 in this process...
October 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29031174/dynamic-right-ventricular-outflow-obstruction-a-rare-cause-of-hypotension-during-anestesia-induction
#4
Maria Enrica Antoniucci, Christian Colizzi, Gabriella Arlotta, Maria Calabrese, Michele Corrado, Sergio Guarneri, Lorenzo Martinelli, Andrea Scapigliati, Roberto Zamparelli, Franco Cavaliere
INTRODUCTION: Dynamic obstruction of right ventricle outflow tract (RVOTO) is a rare condition that may acutely cause severe heart failure. It has been reported in some hypertrophic cardiomyopathies, after lung transplantation, and in some cases of hemodynamic instability after cardiopulmonary bypass. PRESENTATION OF CASE: We report the case of a 71-year-old man who developed severe hypotension during the induction of general anesthesia for surgical coronary revascularization...
October 5, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29031142/protective-effects-of-schisandrin-b-on-cigarette-smoke-induced-airway-injury-in-mice-through-nrf2-pathway
#5
Ruichun Jia, Haogang Zhang, Zhiping Yang, Hong Zhao, Fei Liu, Hui Wang, Meijuan Miao, Qiushi Wang, Yanhong Liu
Schisandrin B (SchB), a dibenzocyclooctadiene derivative isolated from Schisandra chinensis, has been reported to have anti-inflammatory effects. However, the protective effects of SchB on cigarette smoke (CS)-induced lung inflammation remain unclear. This study was to investigate the effects of SchB on CS-induced lung inflammation in mice. The mice were exposed to CS to develop lung inflammation. SchB was given 1h before CS exposure daily for five consecutive days. The levels of inflammatory mediators TNF-α, IL-1β, and IL-6 in bronchoalveolar lavage fluid (BALF) were measured in this study...
October 11, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/29029171/effect-of-hiv-on-the-frequency-and-number-of-mycobacterium-tuberculosis-specific-cd4-t-cells-in-blood-and-the-airways-in-latent-tuberculosis-infection
#6
Rubina Bunjun, Catherine Riou, Andreia P Soares, Narjis Thawer, Tracey L Müller, Agano Kiravu, Zekarias Ginbot, Tolu Oni, Rene Goliath, Barbara Kalsdorf, Florian von Groote-Bidlingmaier, Willem Hanekom, Gerhard Walzl, Robert J Wilkinson, Wendy A Burgers
HIV-1 infection substantially increases the risk of developing tuberculosis (TB). There is extensive depletion of Mycobacterium tuberculosis (M.tuberculosis)-specific CD4+ T cells in blood in early HIV infection, but little is known about responses in the lungs at this stage. Given that mucosal organs are a principal target for HIV-mediated CD4 destruction, we investigated M.tuberculosis-specific responses in bronchoalveolar lavage (BAL), in persons with latent TB infection and untreated HIV-1 co-infection with preserved CD4 counts...
October 5, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29029111/short-term-and-mid-term-survival-in-bronchial-sleeve-resection-by-robotic-system-versus-thoracotomy-for-centrally-located-lung-cancer
#7
Chang Gu, Xufeng Pan, Yong Chen, Jun Yang, Heng Zhao, Jianxin Shi
OBJECTIVES: The aim of this study was to compare the short-term and mid-term results of patients with centrally located lung cancer who underwent bronchial sleeve resection by robotic system or thoracotomy. METHODS: From September 2014 to September 2015, 103 patients, including 17 robotic and 86 open cases, were included in our study. All the clinicopathological data, operative details and follow-up information were investigated. RESULTS: There were no intraoperative deaths...
September 27, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29029079/sialylation-of-extracellular-superoxide-dismutase-ec-sod-enhances-furin-mediated-cleavage-and-secretion
#8
Fumi Ota, Yasuhiko Kizuka, Miyako Nakano, Yoshiki Yamaguchi, Shinobu Kitazume, Tomomi Ookawara, Naoyuki Taniguchi
Extracellular superoxide dismutase (EC-SOD, SOD3) protects tissues against oxidative damage by detoxifying superoxide anions, particularly in the lungs and cardiovascular system. EC-SOD undergoes several posttranslational modifications including N-glycosylation and proteolytic cleavage. While the roles of proteolytic cleavage have been well studied, the structure and function of EC-SOD N-glycans are poorly understood. Here we analyzed glycan structures on native EC-SOD purified from human sera, and identified sialylated biantennary structures...
October 4, 2017: Glycobiology
https://www.readbyqxmd.com/read/29029062/multicentric-evaluation-of-the-impact-of-central-tumour-location-when-comparing-rates-of-n1-upstaging-in-patients-undergoing-video-assisted-and-open-surgery-for-clinical-stage-i-non-small-cell-lung-cancer
#9
Herbert Decaluwé, René Horsleben Petersen, Alex Brunelli, Cecilia Pompili, Agathe Seguin-Givelet, Lucile Gust, Clemens Aigner, Pierre-Emmanuel Falcoz, Philippe Rinieri, Florian Augustin, Youri Sokolow, Ad Verhagen, Lieven Depypere, Kostas Papagiannopoulos, Dominique Gossot, Xavier Benoit D'Journo, Francesco Guerrera, Jean-Marc Baste, Thomas Schmid, Alessia Stanzi, Dirk Van Raemdonck, Jeremy Bardet, Pascal-Alexandre Thomas, Gilbert Massard, Steffen Fieuws, Johnny Moons, Christophe Dooms, Paul De Leyn, Henrik Jessen Hansen
OBJECTIVES: Large retrospective series have indicated lower rates of cN0 to pN1 nodal upstaging after video-assisted thoracic surgery (VATS) compared with open resections for Stage I non-small-cell lung cancer (NSCLC). The objective of our multicentre study was to investigate whether the presumed lower rate of N1 upstaging after VATS disappears after correction for central tumour location in a multivariable analysis. METHODS: Consecutive patients operated for PET-CT based clinical Stage I NSCLC were selected from prospectively managed surgical databases in 11 European centres...
September 27, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29029057/patient-specific-modelling-of-regional-tobramycin-concentration-levels-in-airways-of-patients-with-cystic-fibrosis-can-we-dose-once-daily
#10
Aukje C Bos, Johan W Mouton, Mireille van Westreenen, Eleni-Rosalina Andrinopoulou, Hettie M Janssens, Harm A W M Tiddens
Background: Inhaled tobramycin is important in the treatment of Pseudomonas aeruginosa ( Pa ) infections in cystic fibrosis (CF). However, despite its use it fails to attenuate the clinical progression of CF lung disease. The bactericidal efficacy of tobramycin is known to be concentration-dependent and hence changing the dosing regimen from a twice-daily (q12h) inhalation to a once-daily (q24h) inhaled double dose could improve treatment outcomes. Objectives: To predict local concentrations of nebulized tobramycin in the airways of patients with CF, delivered with the small airway-targeting Akita ® system or standard PARI-LC ® Plus system, with different inspiratory flow profiles...
September 23, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29029026/long-segment-pulmonary-artery-resection-to-avoid-pneumonectomy-long-term-results-after-prosthetic-replacement
#11
Antonio D'Andrilli, Giulio Maurizi, Anna Maria Ciccone, Claudio Andreetti, Mohsen Ibrahim, Cecilia Menna, Camilla Vanni, Federico Venuta, Erino A Rendina
OBJECTIVES: Resection of a long pulmonary artery (PA) segment infiltrated by tumour and reconstruction by conduit interposition or wide patch is a challenging but feasible option to avoid pneumonectomy. Our goal was to report the long-term results of our experience with this type of operation using various techniques and materials. METHODS: Between 1991 and 2015, 24 patients underwent sleeve resection of a long PA segment or extended resection (>2.5 cm) of 1 aspect of the circumference of the PA associated with lobectomy for centrally located lung cancer...
September 28, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29029025/insulin-deficient-mouse-%C3%AE-cells-do-not-fully-mature-but-can-be-remedied-through-insulin-replacement-by-islet-transplantation
#12
Adam Ramzy, Majid Mojibian, Timothy J Kieffer
Insulin receptor insufficiency in β-cells leads to impaired insulin secretion and reduced β-cell hyperplasia in response to hyperglycemia. Selective insulin receptor deficiency in β-cells in later embryological development may lead to compensatory β-cell hyperplasia. Though these findings suggest insulin signaling on the β-cell is important for β-cell function, they are confounded by loss of signaling by the IGFs through the insulin receptor. To determine if insulin itself is necessary for β-cell development and maturation, we performed a characterization of pancreatic islets in mice with deletions of both non-allelic insulin genes (Ins1-/-Ins2-/-)...
September 27, 2017: Endocrinology
https://www.readbyqxmd.com/read/29029002/infrared-intraoperative-fluorescence-imaging-using-indocyanine-green-in-thoracic-surgery
#13
Olugbenga T Okusanya, Nicholas R Hess, James D Luketich, Inderpal S Sarkaria
Thoracic surgery faces many unique challenges that require innovative solutions. The increase in utilization of minimally invasive practices, poor overall cancer survival and significant morbidity of key operations remain key obstacles to overcome. Intraoperative fluorescence imaging is a process by which fluorescent dyes and imaging systems are used as adjuncts for surgeons in the operating room. Other surgical subspecialists have shown that intraoperative fluorescence imaging can be applied as a practical adjunct to their practices...
September 27, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29028887/identification-of-cancer-driver-genes-in-focal-genomic-aberrations-from-whole-exome-sequencing-data
#14
Ho Jang, Hyunju Lee
Summary: Whole-exome sequencing (WES) data have been used for identifying copy number aberrations in cancer cells. Nonetheless, the use of WES is still challenging for identification of focal aberrant regions in multiple samples that may contain cancer driver genes. In this study, we developed a wavelet-based method for identifying focal genomic aberrant regions in the WES data from cancer cells (WIFA-X). When we applied WIFA-X to glioblastoma multiforme and lung adenocarcinoma datasets, WIFA-X outperformed other approaches on identifying cancer driver genes...
September 28, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29028713/lung-ultrasonography-as-the-first-confirmation-method-for-central-venous-catheterization-how-far-are-we
#15
Etrusca Brogi, Elena Bignami, Luigi Vetrugno, Francesco Forfori
No abstract text is available yet for this article.
November 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/29028683/lung-cancer-associated-with-arsenic-ingestion-cell-type-specificity-and-dose-response
#16
Yau-Chang Kuo, Yu-Shing Lo, How-Ran Guo
BACKGROUND: Arsenic is a well-documented human carcinogen, and studies on urinary and skin cancers have shown that the carcinogenicity of ingested arsenic has cell-type specificity. To evaluate whether this is also true for lung cancers, we conducted a study on 243 townships in Taiwan. METHODS: The arsenic levels were assessed using measurement reports from a previous survey, and the incidence of lung cancer was assessed using the data gathered by the National Cancer Registry Program...
October 2017: Epidemiology
https://www.readbyqxmd.com/read/29028642/-lost-to-follow-up-among-adult-cancer-survivors
#17
Amitoj Gill, Rohit Gosain, Shruti Bhandari, Rahul Gosain, Gurkirat Gill, Joseph Abraham, Kenneth Miller
BACKGROUND: Follow-up cancer care is important for patients who have received IV chemotherapy but some patients discontinue their care and are lost to follow-up (LFU) at the cancer center where they were treated. The purpose of this study was to determine what proportion of cancer survivors are LFU at 5 years after treatment, the timing of LFU, and the characteristics of those who do not continue survivorship care. METHODS: Adult patients with cancer who were treated with chemotherapy at a large community teaching hospital in 2006 and 2007 were identified and linked with State tumor registry data...
October 12, 2017: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29028602/toxicity-of-zno-nanoparticles-nps-to-a549-cells-and-a549-epithelium-in-vitro-interactions-with-dipalmitoyl-phosphatidylcholine-dppc
#18
Tong He, Jimin Long, Juan Li, Liangliang Liu, Yi Cao
Once inhaled, nanoparticles (NPs) will first interact with lung surfactant system, which may influence the colloidal aspects of NPs and consequently the toxic potential of NPs to pulmonary cells. In this study, we investigated the effects of dipalmitoyl phosphatidylcholine (DPPC), the major component in lung surfactant, on stability and toxicity of ZnO NPs. The presence of DPPC increased the UV-vis spectra, hydrodynamic size, Zeta potential and dissolution rate of ZnO NPs, which indicates that DPPC might interact with NPs and affect the colloidal stability of NPs...
October 7, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/29028534/discovery-of-benzo-g-quinazolin-benzenesulfonamide-derivatives-as-dual-egfr-her2-inhibitors
#19
Mansour S Alsaid, Abdullah A Al-Mishari, Aiten M Soliman, Fatma A Ragab, Mostafa M Ghorab
An array of some new N-(substituted)-2-((4-oxo-3-(4-sulfamoylphenyl)-3,4-dihydrobenzo[g]quinazolin-2-yl)thio)acetamide 5-19 were synthesized from the starting compound 4-(2-mercapto-4-oxobenzo[g]quinazolin-3(4H)-yl)benzenesulfonamide 4, to be assessed for their cytotoxic activity against A549 lung cancer cell line and to determine their inhibitory effect on EGFR tyrosine kinase enzyme. Compounds 5-19 showed high activity towards A549 cell line with IC50 values of 0.12-8.70 μM. Compounds 6, 12 and 18 were the most potent in this series...
September 29, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29028432/coadministration-of-recombinant-adenovirus-expressing-gm-csf-with-inactivated-h5n1-avian-influenza-vaccine-increased-the-immune-responses-and-protective-efficacy-against-a-wild-bird-source-of-h5n1-challenge
#20
Xiangwei Wang, Xinglong Wang, Yanqing Jia, Chongyang Wang, Qiuxia Tang, Qingsong Han, Sa Xiao, Zengqi Yang
Wild birds play a key role in the spread of avian influenza virus (AIV). There is a continual urgent requirement for AIV vaccines to address the ongoing genetic changes of AIV. In the current study, we trialed a novel AIV vaccine against the wild bird source of H5N1 type AIV with recombinant adenovirus expressing granulocyte monocyte colony-stimulating factor (GM-CSF) as an adjuvant. A total of 150-day-old commercial chicks, with AIV-maternal-derived antibody, were divided into 6 groups. The primary vaccination was performed at day 14 followed by a subsequent boosting and intramuscular challenge on day 28 and 42, respectively...
October 2017: Journal of Interferon & Cytokine Research
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